To help the students to gain better knowledge to answer the Eureka Math for each lesson, most of the students begin to learn the Math subject with the help of the Common Core Curriculum.

However, not all answer keys for math subject are available. Certainly, it encourages the students to look for an alternative way to gain the answer keys for the lesson that they encounter. Thankfully, we’ll show the answer keys for Eureka Math Lessons, especially for Lesson 21 module 1.1.

We obtained the Eureka Math Lesson Answer keys from Mrs. Ream’s Website. This site provides a number of practice and homework answer keys for Math subject. The answer keys of each lesson is provided in the PDF format, so you can download or directly print the answer keys.

**Here’s a List of Answer Keys for Eureka Math Lesson 21 Homework 1.1!**

Here are the examples of the questions:

1. Draw the 5-group card to show a double. Write the number sentences to match the cards?

a. 4 + ····=

b. ···+ 3 =

c. 5 + ·····

The answers:

a. 4+4 = 8

b. 3+3= 6

c. 5+5=10

2. Fill in the 5-group cards in order from least to greatest, double the number and write the number sentences.

The answers:

a. 1 + 1 = 2

b. 2 + 2 = 4

c. 3 + 3 = 6

d. 4 + 4 = 8

e. 5 + 5 = 10

3. Solve the number sentences

a. 3 + 3 =

b. 5 +…. = 10

c. 1 + …. = 2

d. 4 = …. + 2

e. 8 = 4 + ….

The answers:

a. 3 + 3 = 6

b. 5 + 5 = 10

c. 1 + 1 = 2

d. 4 = 2 + 2

e. 8 = 4 + 4

4. Match the top cards to the bottom cards to show doubles plus 1.

5. Solve the number sentences. Write the double fact that helped you solve the double plus 1.

a. 2 + 3 = …. → …. + …. = ….

b. 3 + …. = 7 → …. + …. = ….

c. 4 + …. = 9 → …. + …. = ….

The answers:

a. 2 + 3 = 5 → 2 + 2 = 4

b. 3 + 4 = 7 → 3 + 3= 6

c. 4 + 5 = 9 → 4 + 4 = 8

okay, those are the answer keys and the questions for Eureka Math Lesson 21 Homework 1.1.

**About Eureka Math**

Eureka Math is a holistic curriculum especially for Prekindergarten through Grade 12. The curriculum carefully sequences mathematical progressions in the modules that are created by expert. The curriculum makes math a joy to teach and learn.

The Eureka Math provides in-depth professional development, a community of support and learning materials. This curriculum is committed to support you throughout implementation. The professional development sessions that the Eureka Math create are designed to equip educators with the tools that they should support both new and continuing users of Eureka Math.

The Eureka Math seems to provide the Teacher Resources Pack including a selection of instructional materials and tools, here are they:

- Pacing and Preparation Guides
- Curriculum Maps
- Curriculum Overviews
- Standards Checklists
- Materials Lists

**How Does Eureka Math Work?**

The Eureka Math’s key successful component is collaboration. It means that it allows the educators, students, exchanges resources, curriculum writers and best practices to stay connected. They also offer a full complement of Prekindergarten through Grade 12 print materials including student workbooks, Teacher Editions and many more.

The Eureka Math curriculum also provides the Spanish language editions which are available for Grade K-8 that offers the teachers multiple ways to differentiate the instructions, assess student learning and provide extra practice.

The Eureka Math Curriculum also has a Digital Suite that provides the users with two exceptional online resources. It includes the Navigator which is an interactive digital version of the Prekindergarten through Grade 12 curriculum. The Eureka Math Digital Suite also provides the Teach Eureka Video Series that is a collection of on-demand PD videos that accompanies the curriculum.

You may also find the term ‘Affirm’ in Eureka Math curriculum. This is a digital mid-module of Eureka Math curriculum and end-of-module assessment. It also has a practice tool which equips educators with a robust database of formative items and also analytics tools which are designed to assist teachers to track student progress and identify areas of need.

Aside from that, Affirm is providing the students with enough chances for extra practice and preparation for standardized assessments. The curriculum of Eureka Math also provides free grade-level analyses of how the curriculum straighten with standards for all 50 states, the United Kingdom and the District of Columbia.

The manipulatives of Eureka Math curriculum are classroom tools and materials that they’ve created to minimize distractions,, develop student understanding and maximize coherence between grades.

**How Important Is the Eureka Math Answer Keys?**

Certainly, the Eureka Math answer keys are very important to facilitate the students learning outside the classroom. However, the answer keys is such a solution to identify the way Math was ever taught. The answer keys of Eureka Math actually help the students to understand the mathematical concepts much easier to enhance problem-solving skills.

Moreover, the answer keys of Eureka Math are intended to build fluency in math in a fun way. With the help of Eureka Math answer keys, the students will find the Homework Help that they may need to use the quick resources available.

Certainly, the Eureka math answer keys will help the students become proficient in Math. To get the answer keys, that’s very easy, as some sources will provide the answer keys for Eureka Math in PDF. So, they are downloadable files that the students can use to prepare offline whenever they want.